:root {
  --background: #fbfbf8;
  --paper: #ffffff;
  --text: #252525;
  --muted: #66645f;
  --rule: #d9d6cf;
  --accent: #4f2d73;
  --accent-dark: #32174d;
  --max-width: 940px;
}

* { box-sizing: border-box; }

html {
  color-scheme: light;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 18px;
  line-height: 1.62;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}

a:hover,
a:focus-visible { color: var(--accent-dark); }

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

img { max-width: 100%; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 0.5rem 0.75rem;
  background: var(--paper);
  border: 1px solid var(--rule);
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.site-header,
main,
.site-footer {
  width: min(calc(100% - 2.25rem), var(--max-width));
  margin-inline: auto;
}

.site-header { padding-top: 2.5rem; }

.masthead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--rule);
}

.site-title {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.025em;
}

.site-title a {
  color: var(--text);
  text-decoration: none;
}

.site-subtitle {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.98rem;
  font-style: italic;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  margin: 0;
  padding: 0.9rem 0 0;
  list-style: none;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.86rem;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] { color: var(--accent); }

.site-nav a[aria-current="page"] { font-weight: 700; }

main {
  min-height: 60vh;
  padding-block: 3.2rem 4rem;
}

h1, h2, h3 {
  color: #1d1d1b;
  font-weight: 500;
  line-height: 1.2;
}

h1 {
  margin: 0 0 1.7rem;
  font-size: clamp(2rem, 4.5vw, 2.7rem);
  letter-spacing: -0.02em;
}

h2 {
  margin: 2.8rem 0 0.9rem;
  padding-bottom: 0.32rem;
  border-bottom: 1px solid var(--rule);
  font-size: 1.45rem;
}

h2.first-section-heading { margin-top: 0; }

h3 {
  margin: 1.9rem 0 0.45rem;
  font-size: 1.15rem;
}

p { margin: 0 0 1.15rem; }

.lede {
  max-width: none;
  font-size: 1.15rem;
  line-height: 1.56;
}

.home-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 230px;
  gap: clamp(2rem, 6vw, 4rem);
  align-items: start;
}

.portrait { margin: 0; }

.portrait img {
  display: block;
  width: 230px;
  height: auto;
  border: 1px solid var(--rule);
}

.contact-card {
  margin-top: 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.contact-card strong {
  color: var(--text);
  font-weight: 600;
}

.inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  margin: 1.45rem 0 0;
  padding: 0;
  list-style: none;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.9rem;
}

.publication-list,
.course-list,
.project-list {
  margin: 0;
  padding-left: 1.3rem;
}

.publication-list li,
.course-list li,
.project-list li {
  margin-bottom: 1rem;
  padding-left: 0.25rem;
}

.publication-list .title { font-style: italic; }

.publication-list .venue,
.meta,
.note { color: var(--muted); }

.publication-links {
  white-space: nowrap;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

.publication-links::before { content: " "; }
.publication-links a { margin-right: 0.45rem; }
.year-heading { margin-top: 2.4rem; font-size: 1.3rem; }
.recommendation-list { margin-bottom: 1.35rem; }

.callout {
  margin: 2rem 0;
  padding: 1.1rem 1.3rem;
  border-left: 3px solid var(--accent);
  background: var(--paper);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.15rem 2.2rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.77rem;
}

.site-footer p { margin: 0; }

@media (max-width: 720px) {
  body { font-size: 17px; }
  .site-header { padding-top: 1.5rem; }
  .masthead, .site-footer { display: block; }
  .site-subtitle { margin-top: 0.45rem; }
  .home-grid { grid-template-columns: 1fr; }
  .portrait { order: -1; }
  .portrait img { width: 180px; }
  main { padding-top: 2.35rem; }
  .site-footer p + p { margin-top: 0.35rem; }
}

@media print {
  body { background: #fff; font-size: 11pt; }
  .site-header, main, .site-footer { width: 100%; }
  .site-nav, .skip-link { display: none; }
  main { padding-block: 1.5rem; }
  a { color: inherit; text-decoration: none; }
}

/* Teaching page */
.teaching-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(15rem, 0.8fr);
  gap: clamp(1.5rem, 5vw, 3.5rem);
  align-items: start;
  margin-bottom: 2.8rem;
}

.teaching-intro .lede {
  max-width: none;
  margin: 0;
}

.teaching-philosophy {
  margin: 0;
  padding: 0.15rem 0 0.15rem 1.15rem;
  border-left: 3px solid var(--accent);
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.58;
}

.section-note {
  margin-top: -0.2rem;
  color: var(--muted);
  font-size: 0.96rem;
}

.current-course-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.35rem;
}

.course-card {
  min-height: 9.25rem;
  padding: 1.15rem 1.2rem 1.25rem;
  border: 1px solid var(--rule);
  border-top: 3px solid var(--accent);
  background: var(--paper);
}

.course-card .course-code {
  margin: 0 0 0.65rem;
  color: var(--accent);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.course-card h3 {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.34;
}

.teaching-history {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.35rem;
}

.institution-card {
  padding: 1.15rem 1.25rem 1.25rem;
  border: 1px solid var(--rule);
  background: rgba(255, 255, 255, 0.52);
}

.institution-card-wide {
  grid-column: 1 / -1;
}

.institution-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.85rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid var(--rule);
}

.institution-heading h3 {
  margin: 0;
  font-size: 1.13rem;
}

.institution-heading p {
  flex: 0 0 auto;
  margin: 0;
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.025em;
}

.compact-course-list {
  margin: 0;
  padding-left: 1.15rem;
}

.compact-course-list li {
  margin-bottom: 0.38rem;
  break-inside: avoid;
}

.compact-course-list li:last-child {
  margin-bottom: 0;
}

.two-column-list {
  columns: 2;
  column-gap: 2.5rem;
}

@media (max-width: 760px) {
  .teaching-intro,
  .current-course-grid,
  .teaching-history {
    grid-template-columns: 1fr;
  }

  .institution-card-wide {
    grid-column: auto;
  }

  .two-column-list {
    columns: 1;
  }

  .course-card {
    min-height: auto;
  }
}